Weil-McLain Gold GV 1 series Guide

Partnumber550-141-607/0601
Gas/Air Manifold Assembly
Part Number 382-200-355 for Series 1, 2 & 3
Part Number 382-200-362 for Series 4
GV BOILERGV BOILER
GV BOILERGV BOILER
GV BOILER
Replacement InstructionsReplacement Instructions
Replacement InstructionsReplacement Instructions
Replacement Instructions
These instructions are for use by a qualified installer/service technician.Failure to follow all instructions in proper
ordercan causeseverepersonal injury,death orsubstantial property damage.
Shut off main gas valve and disconnect electricity to boiler.Failure to do so can cause severe personal injury, death
orsubstantial propertydamage.
WARNING This symbol is used in these instructions to indicate presence of hazards which can cause severe personal injury,
deathor substantial property damage.
WARNING
1. Remove:
Jackettop andfront panels.
All hoses from gas/air manifold assembly (save to re-
install).SeeFigure 1.
For Series 1, 2 & 3, removeleft-handed threaded fitting
from gas valve. OR
For Series 4, removethe gas valve to manifoldfitting
byremoving four screws (#7 metric head) from fitting.
Gas/airmanifoldassembly.
Gas orifice plate (save to re-install).
2. Install new gas/air manifold assembly.Loosely screw
in 2 back screws to support assembly.
3. For Series 1, 2 & 3, alignleft-hand threadedfitting to
gasvalve and tighten.
a. Do not clamp gas tubing with excessive force, as it
willdeform.
b. Do not apply excessive force to gas valve.
OR
For Series 4, align gas valve manifold fitting to gas
valve with new O-ring in place and replace four screws
inthe gasvalve fitting.
Weil-McLain
500 Blaine Street
Michigan City, IN 46360-2388
http://www.weil-mclain.com
5. Tighten all four screws in gas/air manifoldassembly
evenly,untilmetal-to-metal contact is made around
entiremanifold.
6. Re-connect hoses as shown in Figure 1. Secure wire
tieor hoseclamp onair inlethose.
7. Turnon electric andgas to boiler.Checkboiler normal
sequenceof operation andfollow checkoutprocedure
inBoilerManual.
8. Replace jacket front and toppanels.
RECOMMENDED TOOLS:
10” CRESCENT WRENCH
SMALL PIPEWRENCH
5/16” NUT DRIVER
5/16”SOCKETWITH EXTENSION
#7 METRICWRENCH OR SOCKET
1/4”SLOTTED SCREWDRIVER
WARNING
Gas/AirManifold
O-ringformanifold
Gas valve fitting
Miscellaneoushardware: screws to mountmanifold to
inducerhousing, to mount gas valve to inducerhousing,
tomount manifoldfitting to gas valve, plastic tie wrapto
re-attachcondensatetrap to manifold.
Instructions
Contents of Kit:
Figure 1
WARNING Carefullyseat O-ring inmanifold fitting
grooveto insure proper fit asmanifold
fitting is mated to gas valve.Failure to do
so can result in a fire or explosion causing
severe personal injury or property
damage.
4. Slide in gas orifice plate and re-install two front screws
ingas/air manifoldassembly.
Donot disassemble blowerhousing. A
fire or explosion causing severe
personalinjury orproperty damage can
result.